diff options
| -rw-r--r-- | runtime/doc/eval.txt | 5 | ||||
| -rw-r--r-- | src/nvim/eval.c | 2 | ||||
| -rw-r--r-- | src/nvim/eval.h | 1 | ||||
| -rw-r--r-- | src/nvim/testdir/test_eval_stuff.vim | 6 |
4 files changed, 14 insertions, 0 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt index c907e23a62..459e3ed2d2 100644 --- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -19,6 +19,7 @@ There are six types of variables: *Number* *Integer* Number A 32 or 64 bit signed number. |expr-number| + The number of bits is available in |v:numbersize|. Examples: -123 0x10 0177 0b1011 Float A floating point number. |floating-point-format| *Float* @@ -1793,6 +1794,10 @@ v:null Special value used to put "null" in JSON and NIL in msgpack. operator) and to zero when used as a Number (e.g. in |expr5| or |expr7| when used with numeric operators). Read-only. + *v:numbersize* *numbersize-variable* +v:numbersize Number of bits in a Number. This is normally 64, but on some + systems it may be 32. + *v:oldfiles* *oldfiles-variable* v:oldfiles List of file names that is loaded from the |shada| file on startup. These are the files that Vim remembers marks for. diff --git a/src/nvim/eval.c b/src/nvim/eval.c index 05d429c7d5..ce8850b903 100644 --- a/src/nvim/eval.c +++ b/src/nvim/eval.c @@ -213,6 +213,7 @@ static struct vimvar { VV(VV_FALSE, "false", VAR_BOOL, VV_RO), VV(VV_TRUE, "true", VAR_BOOL, VV_RO), VV(VV_NULL, "null", VAR_SPECIAL, VV_RO), + VV(VV_NUMBERSIZE, "numbersize", VAR_NUMBER, VV_RO), VV(VV_VIM_DID_ENTER, "vim_did_enter", VAR_NUMBER, VV_RO), VV(VV_TESTING, "testing", VAR_NUMBER, 0), VV(VV_TYPE_NUMBER, "t_number", VAR_NUMBER, VV_RO), @@ -394,6 +395,7 @@ void eval_init(void) set_vim_var_bool(VV_FALSE, kBoolVarFalse); set_vim_var_bool(VV_TRUE, kBoolVarTrue); set_vim_var_special(VV_NULL, kSpecialVarNull); + set_vim_var_nr(VV_NUMBERSIZE, sizeof(varnumber_T) * 8); set_vim_var_special(VV_EXITING, kSpecialVarNull); set_vim_var_nr(VV_ECHOSPACE, sc_col - 1); diff --git a/src/nvim/eval.h b/src/nvim/eval.h index 3da4bb8655..88c629f15d 100644 --- a/src/nvim/eval.h +++ b/src/nvim/eval.h @@ -142,6 +142,7 @@ typedef enum { VV_FALSE, VV_TRUE, VV_NULL, + VV_NUMBERSIZE, VV_VIM_DID_ENTER, VV_TESTING, VV_TYPE_NUMBER, diff --git a/src/nvim/testdir/test_eval_stuff.vim b/src/nvim/testdir/test_eval_stuff.vim index 73b57f302e..b667086482 100644 --- a/src/nvim/testdir/test_eval_stuff.vim +++ b/src/nvim/testdir/test_eval_stuff.vim @@ -120,6 +120,12 @@ func Test_skip_after_throw() endtry endfunc +func Test_numbersize() + " This will fail on systems without 64 bit int support or when not configured + " correctly. + call assert_equal(64, v:numbersize) +endfunc + func Test_curly_assignment() let s:svar = 'svar' let g:gvar = 'gvar' |